Forensic aspects of the weathering and ageing of spray paints

Highlights • Effects of degradation studied by optical, Infrared and Raman spectroscopy. • Photo-oxidation index (POI) curves of degradation up to 3 months. • POI curves follow log trend, showing rapid degradation during first weeks. • Comparison of natural and artificial weathering.

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Bibliographic Details
Published in:Forensic science international 2016-01, Vol.258, p.32-40
Main Authors: Jost, Cédric, Muehlethaler, Cyril, Massonnet, Geneviève
Format: Article
Language:English
Subjects:
Chemical bonds
Color
Cultural heritage
Degradation
Exposure
Forensic engineering
Forensic sciences
Graffiti
Infrared
Oxidation
Paints
Pathology
Photo-oxidation
Polyesters
Protective coatings
Raman
Solvent abuse
Sprayers
Sprays
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Description
Summary:Highlights • Effects of degradation studied by optical, Infrared and Raman spectroscopy. • Photo-oxidation index (POI) curves of degradation up to 3 months. • POI curves follow log trend, showing rapid degradation during first weeks. • Comparison of natural and artificial weathering.
ISSN:0379-0738
1872-6283
DOI:10.1016/j.forsciint.2015.11.001